172050049 has 2 divisors, whose sum is σ = 172050050. Its totient is φ = 172050048.

The previous prime is 172050023. The next prime is 172050061. The reversal of 172050049 is 940050271.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124880625 + 47169424 = 11175^2 + 6868^2 .

It is a cyclic number.

It is not a de Polignac number, because 172050049 - 2¹⁵ = 172017281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172049999 and 172050026.

It is not a weakly prime, because it can be changed into another prime (172050019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86025024 + 86025025.

It is an arithmetic number, because the mean of its divisors is an integer number (86025025).

Almost surely, 2^172050049 is an apocalyptic number.

It is an amenable number.

172050049 is a deficient number, since it is larger than the sum of its proper divisors (1).

172050049 is an equidigital number, since it uses as much as digits as its factorization.

172050049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 172050049 is about 13116.7850100549. The cubic root of 172050049 is about 556.1837127760.

The spelling of 172050049 in words is "one hundred seventy-two million, fifty thousand, forty-nine".